Commitments and Contingent Liabilities - Additional Information (Detail) $ in Thousands		12 Months Ended
		Dec. 31, 2016 USD ($) Lot Contract	Dec. 31, 2015 USD ($) Lot	Dec. 31, 2014 USD ($)
Commitments And Contingencies [Line Items]
Rent expense under operating leases		$ 45,843	$ 48,056	$ 45,508
Maximum range of deposits required under the purchase agreements		10.00%
Term of business plan		5 years
Contingent forfeitable deposits with land developers		$ 94,600
Number of specific performance contracts | Contract		1
Finished lots committed to purchase under specific performance obligations | Lot		10	10
Purchase price of finished lots committed to purchase under specific performance obligations	[1]	$ 1,505	$ 1,505
Aggregate additional funding commitments related to raw land property development		12,000
Expected development credit offset amount		7,100
Contingent obligations under bonds or letters of credit arrangements		50,700
Credit Agreement [Member]
Commitments And Contingencies [Line Items]
Contingent obligations under letters of credit arrangements		$ 8,300

[1] As of both December 31, 2016 and 2015, the Company was committed to purchase 10 finished lots under specific performance obligations.